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L2 F5 Application Security Engineer – Edge Protection
DXC TechnologyRiyadh, Riyadh Region, Saudi Arabia30+ days ago
Job descriptionImplement approved configuration changes : access policies, iRules, WAF policies, DNS RPZ rules, IPAM updates, and GTM load-balancing pools. Apply software patches, hot-fixes, and signature updates under change-management guidelines. Investigate connectivity, authentication, or DNS anomalies; capture logs, packet traces, and ASM violation details. Escalate unresolved or systemic issues to the L3 engineer with clear documentation of findings and attempted fixes. Generate daily / weekly health-check reports and edge-security KPI dashboards aligned to SAMA CSF IAM-01 / NET-02 requirements. Ensure all changes, incidents, and maintenance tasks are fully documented in ServiceNow. Coordinate with network, application, and SOC teams during deployments or incident bridges. Maintain and improve runbooks, SOPs, and knowledge-base articles; deliver informal training sessions to L1 analysts. Bachelor’s degree in Computer Science, Information Technology, Cybersecurity or related field. 3–5 years hands-on experience supporting F5 BIG-IP modules (minimum APM and ASM / WAF) and Infoblox DNS Security in production. Solid understanding of TCP / IP, HTTP / S, SSL / TLS, DNS, and authentication protocols (SAML, OAuth). Experience with ServiceNow (or similar ITSM), basic shell / CLI troubleshooting, and log analysis tools. Working knowledge of SAMA Cybersecurity Framework or NCA ECC controls for edge security. F5 Certified Administrator (302) or F5 CTS (APM or ASM). Infoblox Certified DNS Administrator / Security Expert. ITIL Foundation, CompTIA Security+, or equivalent security credential. Scripting (Python / TCL / bash) for automation of routine tasks. Familiarity with load-balancer traffic policies, iRules / LTM policies, and DNSSEC principles. Full-time on-site role (Sunday–Thursday), 9×5 support with participation in an on-call rota for critical escalations. Occasional evening or weekend work during planned maintenance windows. Collaborative, fast-paced environment interfacing with network, application, SOC, and compliance teams.
Overview
L2 F5 Application Security Engineer – Edge Protection
Job location : onsite in Riyadh
At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.
Job Summary
The L2 F5 Application Security Engineer provides day-to-day operational support, monitoring, and maintenance for the full Edge Protection tool-set mandated by SAMA : F5 BIG-IP (Access Policy Manager, Web Application Firewall, Local & Global Traffic Manager) and Infoblox DNS Security (MANDATORY). The role ensures high availability, policy compliance, and prompt incident response for all edge-security platforms, escalating complex issues to the L3 F5 team. Success is measured by swift ticket resolution, precise change execution, and strict adherence to SAMA / NCA controls.
Key Responsibilities
Operational Support & Monitoring
- Continuously monitor F5 APM, ASM / WAF, LTM, GTM and Infoblox DNS grids for health, performance, and security events.
- Respond to alerts and service-desk tickets within SLA; perform first-pass diagnosis and fix routine issues.
Configuration & Maintenance
Compliance & Reporting
Collaboration & Knowledge Transfer
Required Qualifications
Desired Skills & Certifications
Working Conditions
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Application Engineer • Riyadh, Riyadh Region, Saudi Arabia
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